CN112713336A - Battery centralized heating system - Google Patents
Battery centralized heating system Download PDFInfo
- Publication number
- CN112713336A CN112713336A CN202011619749.6A CN202011619749A CN112713336A CN 112713336 A CN112713336 A CN 112713336A CN 202011619749 A CN202011619749 A CN 202011619749A CN 112713336 A CN112713336 A CN 112713336A
- Authority
- CN
- China
- Prior art keywords
- battery
- battery box
- heater
- controller
- heating system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/27—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The invention provides a battery centralized heating system which comprises a plurality of battery boxes (1), wherein a circulating heating pipeline (2) used for heating the battery boxes (1) is arranged outside each battery box (1), the inlet of each circulating heating pipeline (2) is connected with a heater (10) through an inlet three-way water valve (3), a water pump (4) is arranged on each circulating heating pipeline (2), the outlet of each circulating heating pipeline (2) is connected with the heater (10) through an outlet three-way water valve (5), a first temperature sensor (7) is arranged in each battery box (1), and the inlet three-way water valve (3) and the outlet three-way water valve (5) are both connected with a vehicle thermal management system (8). The invention is used for heating and managing the battery box and ensuring the performance of the new energy bus.
Description
Technical Field
The invention relates to a battery centralized heating system.
Background
Due to the shortage of petroleum resources, environmental protection and other factors, governments and automobile manufacturing enterprises in various countries around the world are greatly promoting new energy automobiles. At present, the power of the new energy passenger car is mainly provided with electric energy by a battery, so that the performance of the power battery is an important index of the performance of the new energy passenger car. In addition, the new energy passenger car increasingly adopts the quick charging technology, and the key factor influencing the quick charging technology also relates to the thermal management technology of the battery. At present, the ternary lithium battery is a recognized power battery suitable for new energy automobiles due to high energy density. However, ternary lithium batteries are particularly sensitive to temperature: in summer, the temperature of the battery can be rapidly increased in the charging process, the battery needs to be thermally managed and cooled in time, otherwise, the battery has the risk of thermal runaway; in the driving process of the new energy bus, the power battery also needs to be thermally managed and cooled in time. In the winter charging process, the charging amount of the battery is seriously affected by the over-low temperature of the battery, and the cruising ability of the passenger car is further affected, so the power battery needs to be preheated in winter charging. The power battery of the new energy passenger car can only exert the best performance at a stable temperature, so that the service life of the battery can be prolonged, and the performance of the new energy passenger car is ensured. Therefore, the heat management of the new energy automobile power battery is highly valued.
Disclosure of Invention
The invention aims to provide a centralized battery heating system for heating and managing a battery box and ensuring the performance of a new energy bus.
In order to solve the technical problem, the battery centralized heating system provided by the invention comprises a plurality of battery boxes, wherein a circulating heating pipeline for heating the battery boxes is arranged outside each battery box, an inlet of each circulating heating pipeline is connected with a heater through an inlet three-way water valve, a water pump is arranged on each circulating heating pipeline, an outlet of each circulating heating pipeline is connected with a connector through an outlet three-way water valve, a first temperature sensor is arranged in each battery box, and the inlet three-way water valve and the outlet three-way water valve are both connected with a vehicle thermal management system.
The battery centralized heating system has the advantages that the circulating heating pipeline is heated by the heater, and the first temperature sensor senses the temperature of the circulating heating pipeline in real time to ensure the temperature of the battery box, so that the service life of the battery is prolonged, and the performance of the new energy bus is ensured.
Preferably, the water-water heater further comprises a water-water heat exchanger, and the water-water heat exchanger is positioned between the outlet three-way water valve and the heater. The water-water heat exchanger can slowly heat the battery box and can also ensure that the temperature of the battery box is not too high.
Preferably, a heat exchanger is further included, the heat exchanger being in series with the heater.
Preferably, the first temperature sensor is connected with a controller of a vehicle thermal management system, the controller is connected with the heater, when the first temperature sensor detects that a first temperature value on the circulating heating pipeline is transmitted to the controller, the controller compares the detected first temperature value with a set first threshold value, and if the first temperature value is lower than the first threshold value, the controller controls the heater to work; if the temperature is within the first threshold range, the heater does not work.
As a further improvement of the present invention, the temperature inside the battery box has a very large image on the performance and stability of the battery system. When the temperature inside the battery box is high, the performance and stability of the battery system are poor. In order to maintain good performance stability of the battery, heat dissipation of the battery box must be done. In order to solve the problem, a second temperature sensor and a heat dissipation mechanism are arranged on the battery box, the second temperature sensor is used for detecting a second temperature value in the battery box and transmitting the second temperature value to the controller, the controller compares the detected second temperature value with a preset second threshold value, and if the detected second temperature value is higher than the preset second threshold value, the controller controls the heat dissipation mechanism to drive.
Preferably, the heat dissipation mechanism comprises a ventilation cover rotatably arranged at the top of the battery box shell, an electromagnet and an iron plate which are used for connecting the ventilation cover and the battery box shell after being electrified are arranged between the ventilation cover and the battery box shell, a spring in a compression state is arranged between the ventilation cover and the battery box shell, the magnetic attraction force generated by the electromagnet and the iron plate is greater than the elastic force of the spring, when the second temperature value is lower than a second threshold value, the electromagnet is driven by the controller to be powered off, the elastic force is released by the spring, and the ventilation cover is rotatably opened. If be higher than the second threshold value, the controller outage, the electro-magnet no longer adsorbs iron plate, ventilative lid is opened, ventilates the heat dissipation, detects temperature when second temperature sensor is suitable, then the circular telegram, then electro-magnet adsorbs iron plate, closes ventilative lid.
Preferably, a guide post is arranged on the shell of the battery box, a guide ring is arranged on the ventilating cover, the guide post penetrates through the guide ring, and a limiting block is arranged at the top of the guide post penetrating through the guide ring. The venting cover is prevented from being separated from the guide post during opening.
Preferably, the battery box is provided with n, wherein n is a natural number greater than 1, and a plurality of the battery boxes share one heater.
Drawings
FIG. 1 is a schematic view of the present embodiment;
fig. 2 is a schematic structural view of the battery box in the embodiment when the ventilation cover is closed;
fig. 3 is a schematic structural view of the battery case of the present embodiment when the venting cover is opened.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Referring to fig. 1-3, the centralized battery heating system of the present embodiment includes a plurality of battery boxes 1, a circulation heating pipeline 2 for heating the battery boxes 1 is disposed outside each battery box 1, an inlet of each circulation heating pipeline 2 is connected to a heater 10 through an inlet three-way water valve 3, a water pump 4 is disposed on each circulation heating pipeline 2, an outlet of each circulation heating pipeline 2 is connected to the heater 10 through an outlet three-way water valve 5, a first temperature sensor 7 is disposed in each battery box 1, and both the inlet three-way water valve 3 and the outlet three-way water valve 5 are connected to a vehicle thermal management system 8.
The battery centralized heating system in this embodiment further includes a water-water heat exchanger 9, and the water-water heat exchanger 9 is located between the outlet three-way water valve 5 and the heater 10.
The battery concentrated heating system in the present embodiment further includes a heat exchanger 11, and the heat exchanger 11 is connected in series with the heater 10.
The first temperature sensor 7 is connected with a controller of a vehicle thermal management system, the controller is connected with the heater 10, when the first temperature sensor 7 detects that a first temperature value on the circulating heating pipeline 2 is transmitted to the controller, the controller compares the detected first temperature value with a set first threshold value, and if the first temperature value is lower than the first threshold value, the heater 10 is controlled to work; if the temperature is within the first threshold range, the heater 10 is not operated.
The battery box 1 is provided with a second temperature sensor 12 and a heat dissipation mechanism, the second temperature sensor 12 is used for detecting a second temperature value in the battery box 1 and transmitting the second temperature value to the controller, the controller compares the detected second temperature value with a preset second threshold value, and if the detected second temperature value is higher than the preset second threshold value, the controller controls the heat dissipation mechanism to drive.
Heat dissipation mechanism is including rotating ventilative lid 12 that sets up at battery box 1 casing top, be provided with the electro-magnet 13 that is used for connecting ventilative lid 12 and battery box 1 casing after the circular telegram between ventilative lid 12 and the battery box 1 casing, iron plate 14, be provided with the spring 15 that is in compression state between ventilative lid 12 and the battery box 1 casing, the magnetic attraction that electro-magnet 13 and iron plate 14 produced is greater than the elasticity of spring 15, when the second temperature value is less than the second threshold value, controller drive electro-magnet 13 cuts off the power supply, spring 15 release elasticity, ventilative lid 12 rotates and opens.
A guide post 16 is arranged on a shell of the battery box 1, a guide ring 17 is arranged on the ventilation cover 12, the guide post 16 penetrates through the guide ring 17, and a limiting block 6 is arranged at the top of the guide post 16 penetrating through the guide ring 17.
Wherein, the battery box 1 is provided with n, n is a natural number more than 1, and a plurality of battery boxes 1 share one heater 10.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments, or a direct or indirect use of these embodiments, without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents, as used in the related art, and all of which are intended to be encompassed by the present invention.
Claims (8)
1. A battery centralized heating system comprises a plurality of battery boxes (1), and is characterized in that: every battery box (1) outside is provided with circulation heating pipeline (2) that are used for heating for battery box (1), every the import of circulation heating pipeline (2) is connected with heater (10) through import tee bend water valve (3), be provided with water pump (4) on circulation heating pipeline (2), every the export of circulation heating pipeline (2) is connected with heater (10) through export tee bend water valve (5), be provided with first temperature sensor (7) in every battery box (1), import tee bend water valve (3), export tee bend water valve (5) all are connected with vehicle thermal management system (8).
2. The battery concentrated heating system according to claim 1, characterized in that: the water heater is characterized by further comprising a water-water heat exchanger (9), wherein the water-water heat exchanger (9) is positioned between the outlet three-way water valve (5) and the heater (10).
3. The battery concentrated heating system according to claim 1, characterized in that: the heating device also comprises a heat exchanger (11), wherein the heat exchanger (11) is connected with the heater (10) in series.
4. The battery concentrated heating system according to claim 3, characterized in that: the first temperature sensor (7) is connected with a controller of a vehicle thermal management system, the controller is connected with the heater (10), when the first temperature sensor (7) detects a first temperature value on the circulating heating pipeline (2) and transmits the first temperature value to the controller, the controller compares the detected first temperature value with a set first threshold value, and if the first temperature value is lower than the first threshold value, the heater (10) is controlled to work; if the temperature is within the first threshold range, the heater (10) is not operated.
5. The battery concentrated heating system according to claim 4, characterized in that: the battery box (1) is provided with a second temperature sensor (12) and a heat dissipation mechanism, the second temperature sensor (12) is used for detecting a second temperature value in the battery box (1) and transmitting the second temperature value to the controller, the controller compares the detected second temperature value with a preset second threshold value, and if the detected second temperature value is higher than the preset second threshold value, the controller controls the heat dissipation mechanism to drive.
6. The battery concentrated heating system according to claim 5, characterized in that: the heat dissipation mechanism comprises a ventilation cover (12) rotatably arranged at the top of a shell of a battery box (1), an electromagnet (13) and an iron plate (14) which are electrified and then used for connecting the ventilation cover (12) and the shell of the battery box (1) are arranged between the ventilation cover (12) and the shell of the battery box (1), a spring (15) in a compression state is arranged between the ventilation cover (12) and the shell of the battery box (1), magnetic attraction force generated by the electromagnet (13) and the iron plate (14) is greater than elastic force of the spring (15), when a second temperature value is lower than a second threshold value, the controller drives the electromagnet (13) to be powered off, the spring (15) releases the elastic force, and the ventilation cover (12) is rotatably opened.
7. The battery concentrated heating system according to claim 6, characterized in that: the battery box is characterized in that a guide post (16) is arranged on a shell of the battery box (1), a guide ring (17) is arranged on the ventilation cover (12), the guide post (16) penetrates through the guide ring (17), and a limiting block (6) is arranged at the top of the guide post (16) penetrating through the guide ring (17).
8. The battery concentrated heating system according to claim 1, characterized in that: the battery box (1) is provided with n, n is a natural number larger than 1, and the plurality of battery boxes (1) share one heater (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011619749.6A CN112713336A (en) | 2020-12-30 | 2020-12-30 | Battery centralized heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011619749.6A CN112713336A (en) | 2020-12-30 | 2020-12-30 | Battery centralized heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112713336A true CN112713336A (en) | 2021-04-27 |
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ID=75547514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011619749.6A Pending CN112713336A (en) | 2020-12-30 | 2020-12-30 | Battery centralized heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112713336A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204361210U (en) * | 2014-12-23 | 2015-05-27 | 吉林大学 | A kind of Thermal Management System for EV Battery Packs |
| CN106025428A (en) * | 2016-05-26 | 2016-10-12 | 武汉理工大学 | Circulating device of electric vehicle battery thermal management system and control method of circulating device |
| CN107275709A (en) * | 2016-04-08 | 2017-10-20 | 江苏兴云新能源有限公司 | Battery case cooling mechanism, battery case and automobile with the battery case cooling mechanism |
-
2020
- 2020-12-30 CN CN202011619749.6A patent/CN112713336A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204361210U (en) * | 2014-12-23 | 2015-05-27 | 吉林大学 | A kind of Thermal Management System for EV Battery Packs |
| CN107275709A (en) * | 2016-04-08 | 2017-10-20 | 江苏兴云新能源有限公司 | Battery case cooling mechanism, battery case and automobile with the battery case cooling mechanism |
| CN106025428A (en) * | 2016-05-26 | 2016-10-12 | 武汉理工大学 | Circulating device of electric vehicle battery thermal management system and control method of circulating device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20210427 |